The cpl filter is necessary for single-lens-reflex (SLR) cameras that use auto-focus and metering systems because many of these cameras' systems would be adversely affected by linear polarizing filters.

• New thinner F-Pro mount with a front accessory thread and a Brass Ring
• World's best optical glass
• Multi-Resistant Coating: A special Scratch-Resistant, Water and Dirt Repelling Coating
• Reduce Reflections: It does an excellent job of reducing reflections (from water, windows or foliage), glare, blue polarized light in the sky, etc. Also it will not produce ghost images because of the MRC
• Increase Color Saturation: It will remove haze from outdoor shots making the pictures sharper and with more rich colors except metal

New thinner F-Pro mount with a front accessory thread and a Brass RingB+W